eBay

Lead Full Stack Engineer

eBay$120K — $150K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • BS/BA in Computer Science or related field with 8+ years of experience, or MS with 6+ years
  • Strong experience with HTML5/CSS3 and responsive web fundamentals
  • Proficient in React or similar modern frontend frameworks
  • Solid experience with Node.js, Java 17+, and LLM workflows
  • Strong system design experience for high-traffic systems
  • Experience with AI-assisted development tools and CI/CD practices
  • Familiarity with building scalable RESTful APIs and database schema optimization

Responsibilities

  • Design and implement innovative features for eBay's advertising solutions
  • Develop and maintain highly available user-facing applications and RESTful APIs
  • Lead end-to-end system design for complex multi-service features
  • Drive architectural decisions and define cross-service integration patterns
  • Evaluate trade-offs across system reliability, performance, and cost
  • Utilize AI-assisted development tools to enhance engineering practices
  • Collaborate with ML engineers to develop AI-powered advertising features

Benefits

  • Access to advanced ad-tech solutions and innovative projects
  • Opportunity to work with cutting-edge AI and machine learning technologies
  • Participate in an internal open source community
  • Collaborate within a multi-disciplinary Agile team
  • Encouraged to showcase personal projects and involvement in GitHub
Full Job Description
About the Team & Role

Join eBay's Ad-Tech Innovation team and help build the next generation of advertising for millions of buyers and sellers worldwide. As a Lead Full Stack Engineer, you'll drive end-to-end development of scalable advertising solutions, from engaging user experiences to backend services and data platforms. You'll employ AI-powered development tools and collaborate with ML engineers to integrate LLM and agentic capabilities into next-generation ad products. This is a high-impact opportunity to solve complex challenges, influence technical direction, and accelerate innovation in a fast-growing ad-tech environment.

Learn About Our Work:
  • eBay Advertising Insights: eBay Advertising
  • Promoted Listings on eBay: eBay Seller Center - Promoted Listings

Key Responsibilities:
  • Design and build innovative advertising and commerce features that help eBay sellers and advertisers grow their business.
  • Develop scalable, highly available applications, APIs, and services using technologies such as React, Node.js, Java, and Scala.
  • Own end-to-end delivery of complex features, from technical design and architecture through deployment and production support.
  • Drive technical decisions, system design, and cross-team collaboration to ensure scalable, reliable, and maintainable solutions.
  • Leverage AI-powered development tools and workflows to improve engineering productivity, code quality, testing, and deployment efficiency.
  • Partner with ML and AI teams to develop intelligent advertising capabilities, including recommendations, automation, and AI-driven campaign management.
  • Contribute to a culture of continuous learning, Agile development, open-source collaboration, and rapid software delivery.
  • Mentor team members, participate in technical discussions, and help shape engineering best practices across the organization.


Qualifications
  • BS in Computer Science or related field with 10+ years of experience, or MS with 7+ years.


Technical Requirements
  • Strong experience building modern web applications with React (or similar frameworks), HTML/CSS, and responsive design.
  • Proficiency in backend development with Node.js, Java (17+), and Spring Boot.
  • Experience designing and building scalable APIs, distributed systems, and high-traffic applications.
  • Strong knowledge of messaging technologies (Kafka, RabbitMQ), relational and NoSQL databases, and data modeling.


Architecture & Engineering
  • Proven system design expertise with distributed systems, including scalability, reliability, and performance trade-offs.
  • Experience leading end-to-end technical design, architecture reviews, and cross-functional engineering initiatives.
  • Strong foundation in computer science fundamentals, including data structures and algorithms.


Tools & Practices
  • Experience with CI/CD pipelines and modern development tools.
  • Familiarity with AI-assisted engineering tools and AI-driven automation workflows.


Additional Details

This job posting relates to an existing vacancy within eBay.

About eBay

As a leader in automotive ecommerce, eBay Motors brings you millions of potential customers. Our new simplified listing plans give you unmatched levels of customization and control. So whether you're listing twenty cars a month or an entire lot, you know you're getting the value that you deserve.

eBay Careers

Joining eBay’s dynamic team offers more than just job opportunities; it’s a chance to be part of a global marketplace that values innovation, leadership, and diversity. As a leader in online retail, eBay provides a platform where ambitions flourish and career growth is fostered through comprehensive diversity training and professional development. Work You’ll Do At eBay, we empower you to drive your career path forward with a range of employment options, from internships to full-time positions. Our culture thrives on innovation and the pursuit of excellence in the digital commerce landscape. By joining our team, you’ll collaborate with skilled professionals who are adept at blending technology and creativity to achieve high-impact results. Explore eBay’s Diverse Opportunities Whether you’re starting out with an internship or seeking a leadership role, eBay’s global presence offers vast opportunities for professional growth and networking. Our commitment to diversity and inclusive culture allows every team member to feel valued and motivated. Innovate and Lead At eBay, every position contributes to our mission of creating a more connected and seamless e-commerce experience. We encourage our team to lead projects that challenge the status quo and promote innovation. With eBay, you’re not just filling a role; you’re part of a pioneering company that’s continually reshaping the world of online retail. Benefits and Growth eBay is dedicated to the well-being and development of our employees. We offer competitive benefits, leadership training, and opportunities for career advancement. Investing in our team’s growth is paramount, as they are the driving force behind our success. Join Our Team Ready to take the next step in your career? Explore the job opportunities at eBay where your skills and creativity can shine. We are hiring individuals who are passionate, curious, and eager to drive change in the e-commerce industry. Stay Connected Keep up to date with the latest career tips, company news, and industry insights available through our eBay Careers Blog. Personalize your experience by subscribing to job alert emails that match your career interests and skills. Apply Now Start your journey with eBay today. Search open positions that align with your professional aspirations and submit your resume. Our interview process is designed to understand your capabilities and potential to grow with us. Join eBay and be part of a team that’s committed to creating impactful change in the marketplace. Discover the opportunities waiting for you at eBay – a place where your career can thrive in an environment of innovation and leadership.
Learn more about eBay
Size
10,800 employees
Market Cap
$21.7 billion
Industry
Net Income
$5.6 billion
Founded
1995
5 Year Trend
+2.3%
Revenue
$10.7 billion
NASDAQ

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